Vetus WLOCKLT & LT Installation guide

Brand: Vetus

Model: WLOCKLT & LT

Type: Installation guide

NEDERLANDS 2

ENGLISH 4

DEUTSCH 6

FRANÇAIS 8

ESPAÑOL 10

ITALIANO 12

Zwanenhals / Goose neck / Schwanenhals

Col de cygne / Sifón / Collo d’anatra

030414.02

Installatie instructies

Installation manual

Einbauanleitung

Instructions d’installation

Instrucciones de instalación

Istruzioni per l’installazione

WLOCKLT

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1 Introduction

The Vetus exhaust system components are especially suitable for use

in water-injected exhaust systems.

The maximum continuous operating temperature of the plastic

components of the exhaust systems is 70 degrees C (158 degrees F).

• Fit a temperature alarm to warn of excessively hot exhaust

system temperature.

• If the quantity of injected coolant water is reduced to in

order to lower back-pressure in the exhaust system, check

that there is still sufficient water injected when the engine

is ticking-over. This will prevent excess temperatures in the

exhaust system.

• Excess temperature can also be the consequence of insuf-

ficient mixing of coolant water with the exhaust gasses.

In general, good mixing is obtained by a virtually vertically

installed exhaust injection bend.

Poor mixing can also occur with an engine on tick-

over; especially when the coolant water injection bend is

installed virtually horizontally.

If necessary, take action. For example; by fitting a water

vortex or a water splitter in the exhaust pipe, to improve

the mixing of coolant water with the exhaust gasses.

With water-injected exhaust systems, fit a hose of suitable quality.

This hose must be reinforced, resistant to exhaust gasses, high

temperatures (100 degrees C, 212 degrees F) and oil. Easy flexibility

is essential for installation, while the hose must not collapse when

heated.

Vetus exhaust hose fulfils all the above requirements.

The complete VETUS range includes the following hose diameters:

30 mm (1.2”), 40 mm (1.6”), 50 mm (2”), 60 mm (2.4”), 65 mm (2.6”),

75 mm (3”), 90 mm (3.5”), 100 mm (4”), 110 mm (4.3”), 125 mm (4.9”)

and 150 mm (5.9”). A minimum hose diameter must be used in rela-

tion to the engine power:

Warning

If water enters the engine from the exhaust silencer into the

exhaust system (for example: under sail when the ship rolls

or pitches heavily) this will lead to irreparable damage to the

engine.

Too much water in the silencer can effect engine starting;

drain off this water first. Too much water in the silencer can be

also caused by repeated starting attempts while the engine

refuses to start.

2 Installation

Installing goose neck LT

Fit the goose neck in such a way that its top is at least 45 cm (18”)

above the waterline, see drawing 1. In a sailing ship, the goose neck

should be installed as close to midships as possible.

All goose necks have a horizontal outlet as standard. It is also pos-

sible to make a vertical outlet on types LT 40/45/50/60. Section A

should then be sawn off, see drawing 2. Carefully de-burr the edges.

If possible, the goose neck should be fitted immediately above the

exhaust silencer, see drawings 3 and 5. This will reduce the amount

of water running back between the highest point and the silencer.

When the goose neck is fitted directly on the transom connection,

then the exhaust pipe maximum length between the silencer and

the highest point must be taken into account, see drawings 4 and 6.

N.B: There is no goose neck available for 30 mm (1.2”) diameter

exhaust systems.

Exhaust Pipe

In order to ensure the proper drainage of the coolant water injected

into the exhaust pipe, the pipe must be installed with a slope down-

ward over its whole length from the water injection point to the

exhaust silencer.

During operation, the exhaust pipe will contain water. This will

increase its weight considerably, so support the exhaust pipe prop-

erly.

The exhaust pipe from silencer to transom connection must be

installed in such a way that:

- The highest point in the exhaust pipe should not be more than

150 cm (60”) above the underside of the exhaust silencer.

- The length of the section between the exhaust silencer and the

highest point, should not exceed 300 cm (120”).

4 030414.02

Goose neck LT

Hose

dia.:

30 mm

40 mm

45 mm

50 mm

60 mm

65 mm

Hose

dia.:

75 mm

90 mm

100 mm

110 mm

125 mm

150 mm

Engine power

to:

10 kW (14 hp)

18 kW (25 hp)

23 kW (32 hp)

29 kW (40 hp)

40 kW (55 hp)

50 kW (68 hp)

Engine power

to:

65 kW (90 hp)

95 kW (130 hp)

118 kW (160 hp)

142 kW (193 hp)

184 kW (250 hp)

265 kW (360 hp)

Hose connections

To ease the fitting of the hose to the hose connector, use only water

and/or soap, NOT grease or products containing oil.

Fit each hose connection with 2 stainless steel 12 mm (0.5”) wide

hose clamps.

3 Installation Examples

Exhaust systems with an exhaust silencer type LP/LSS/LSG, and

silencer type MP, goose neck type LT and a transom connection are

shown on page 15.

Entry of water from the aft is almost completely prevented by the

extra height difference in the goose neck.

When the engine is stopped, any water which is still in the exhaust

pipe (between the highest point in the exhaust system and the

exhaust silencer) will run back to the exhaust silencer.

Prevention of syphoning (drawings 5 & 6)

If the water injection point ‘C’ is below, or less than 15 cm (0.6”)

above the waterline (also when the ship heels under sail), there is

a risk that when the engine is stopped, the coolant water will enter

the engine due to syphoning. This syphoning can be prevented in

two ways:

 By creating an air vent system in the coolant water hose between

engine block and water injection point ‘C’, by fitting an air vent

with air vent pipe, for example.

 By fitting an air vent (with valve) in the coolant water hose

between the engine block and water injection point ‘C’.

4 Maintenance

Check all hose connections for gas and water leaks regularly.

Before the winter lay-up, drain the exhaust silencer.

030414.02 5

Goose neck LT

De-burr

ENGLISH

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vetus b. v.

FOKKERSTRAAT 571 - 3125 BD SCHIEDAM - HOLLAND

TEL.: +31 0(0)88 4884700 - [email protected] - www.vetus.com

Printed in the Netherlands

030414.02 2017-01

Vetus WLOCKLT & LT Installation guide

Brand: Vetus

Model: WLOCKLT & LT

Type: Installation guide

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italiano: Vetus WLOCKLT & LT Guida d'installazione
français: Vetus WLOCKLT & LT Guide d'installation
español: Vetus WLOCKLT & LT Guía de instalación
Deutsch: Vetus WLOCKLT & LT Installationsanleitung
Nederlands: Vetus WLOCKLT & LT Installatie gids

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